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Unread 07-28-2012, 05:57 PM   #1
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2004 WJ 
Join Date: Jul 2006
Location: North Smithfield, RI
Posts: 634
Lost power steering in heavy rain

I was driving my wife's 07 WK 4.7 during a heavy rain storm today and a few times when I drove through a puddle, maybe about an inch or 2 deep, I lost power steering. It came back after about a minute each time.

It seems like it could be a loose belt that slips when it gets wet.

Has anyone else had this problem?
How did you fix it?

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Unread 07-28-2012, 10:22 PM   #2
It Should Have Been MEG!!
WhiteMtnJeep's Avatar
2003 TJ Wrangler 
Join Date: Aug 2008
Location: Silver City, New Mexico
Posts: 4,174
Either tension the belt or replace it. Also check and see if there should be a splash guard to help.keep the water out of the belt (not a WJ man, lol).
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Unread 07-28-2012, 11:17 PM   #3
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2005 WK 
Join Date: Mar 2010
Location: Hartford, Connecticut
Posts: 57
I've never heard of that happening with our trucks. I went through about 6-10'' of water during the peak of that storm today and the truck handled it beautifully. Maybe start with a Gator Belt and see if that helps?
1988 YJ, 2005 WK
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Unread 07-29-2012, 03:44 AM   #4
Who, me?
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2007 WK 
Join Date: Aug 2008
Location: Amherst, MA
Posts: 754
I'd start with a new belt and tensioner.
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Unread 07-29-2012, 10:51 AM   #5
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2007 WK 
Join Date: Nov 2002
Location: Marlton, NJ
Posts: 253
My 3.7 used to do that with the OEM belt and OEM tensioner.
When I swapped out the belt and tensioner last year it went away.
I noticed the new replacement Dayco tensioner I bought has a larger pulley. It makes it kind of a pain to get the belt on but seems to add a bit more tension on the belt.
Haven't had an issue since. The belt slipping when you go through a puddle won't really hurt anything if you don't flog it, just ease off the gas a bit and it will grab.
2007 WK 3.7
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power steering , steering

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